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PPKTP

A ferroelectric nonlinear crystal employing quasi-phase matching (QPM) to achieve efficient frequency conversion. Its alternating polarized domains correct phase mismatch in nonlinear processes, enabling broad applicability across its transparency range.

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Product Details

Advantage

Our product offers high efficiency, allowing users to achieve higher conversion efficiencies due to the highest nonlinear coefficients available and no spatial walk-off.

The PPKTP crystals exhibit broadband phase-matching capabilities across their full transparency spectrum.

PPKTP crystals can be designed to meet the specific needs of different applications, offering customers the flexibility to control bandwidth, temperature setpoint, and output polarization.Additionally, they facilitate nonlinear interactions involving back propagation, providing customers with a versatile solution for a range of applications.

Feature

Frequency conversion is adjustable within the 0.4–3 µm transparency range.

The product boasts an impressive damage threshold, ensuring optimal durability and reliability

The device features a large nonlinear coefficient (d33=16.9 pm/V)

The crystal length can reach up to 30 mm

Large apertures (up to 4 x 4 mm²) are available upon request

We can customize HR and AR coatings to improve performance and efficiency

We can provide non-periodic polarization for SPDCs with high spectral purity

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